Building from GIT.

fmt_codec_pnm.cpp: In member function 'virtual s32 fmt_codec::read_init(const std::string&)':
fmt_codec_pnm.cpp:959: error: 'exit' was not declared in this scope
fmt_codec_pnm.cpp:969: warning: suggest braces around empty body in an 'else' statement
make[2]: *** [fmt_codec_pnm.lo] Error 1
make[2]: Leaving directory `/dev/shm/libksquirrel/kernel/kls_pict'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/dev/shm/libksquirrel/kernel'
make: *** [all-recursive] Error 1

Any ideas how to fix?

Darrell